From a9ee95651131e27d5acf3d10909b5b7e5c8d3e92 Mon Sep 17 00:00:00 2001 From: Will Dyson Date: Tue, 25 May 2010 01:10:20 -0400 Subject: Fix image_matches_texture_obj() MaxLevel check When generating or uploading a new (higher) mipmap level for an image, we can need to allocate a miptree for a level greater than texObj->MaxLevel. Signed-off-by: Maciej Cencora Signed-off-by: Alex Deucher --- src/mesa/drivers/dri/radeon/radeon_texture.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) (limited to 'src') diff --git a/src/mesa/drivers/dri/radeon/radeon_texture.c b/src/mesa/drivers/dri/radeon/radeon_texture.c index 2b655fbd953..5cb33a4751d 100644 --- a/src/mesa/drivers/dri/radeon/radeon_texture.c +++ b/src/mesa/drivers/dri/radeon/radeon_texture.c @@ -588,7 +588,12 @@ static int image_matches_texture_obj(struct gl_texture_object *texObj, if (!baseImage) return 0; - if (level < texObj->BaseLevel || level > texObj->MaxLevel) + /* Check image level against object BaseLevel, but not MaxLevel. MaxLevel is not + * the highest level that can be assigned to the miptree. + */ + const unsigned maxLevel = texObj->BaseLevel + baseImage->MaxLog2; + if (level < texObj->BaseLevel || level > maxLevel + || level > RADEON_MIPTREE_MAX_TEXTURE_LEVELS) return 0; const unsigned levelDiff = level - texObj->BaseLevel; @@ -610,9 +615,7 @@ static void teximage_assign_miptree(radeonContextPtr rmesa, radeonTexObj *t = radeon_tex_obj(texObj); radeon_texture_image* image = get_radeon_texture_image(texImage); - /* Since miptree holds only images for levels - * don't allocate the miptree if the teximage won't fit. - */ + /* check image for dimension and level compatibility with texture */ if (!image_matches_texture_obj(texObj, texImage, level)) return; -- cgit v1.2.3